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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $3,380,015 | $643,887 | $584,430 | $986,292 | $466,623 | $331,362 | $442,354 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $137,806 | $225,480 | $260,950 | $122,136 | $156,207 | $161,858 | $624,853 |
| Electro-magnetic couplings, clutches & brakes | $1,465,425 | $2,926,971 | $2,224,693 | $3,743,414 | $1,677,806 | $793,191 | $883,070 |
| Electro-magnetic lifting heads | $1,013,331 | $1,043,323 | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $10,416,009 | $9,272,673 | $11,969,106 | $11,499,694 | $9,519,301 | $11,448,314 | $19,920,404 |
| Total | $16,412,586 | $14,112,334 | $15,039,179 | $16,351,536 | $11,819,937 | $12,734,725 | $21,870,681 |
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